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"Open is as open does." - Forrest Gump"Can't we all just get a Lon?" - Garry Jack "BACnet: integration or interrogation?" - The Janitor"Open protocols? You can't handle open protocols!" - Nathan R. Jessup“What’s that? Aaa… open protocols? Don’t talk about…. open protocols? Are you kidding me? Open protocols? I just hope we can hardwire an interface!” - Jim Mora http://www.youtube.com/watch?v=U7fjDS0jKiE

Good luck finding something affordable if you are looking for a packaged solution. I have looked at optimum. Building Logix also has a Tridium solution.

I am currently trying to implement this myself on a project with AX if anyone has done this before. Im not just talking about the condenser reset either, that is easy. I am talking more along the lines of the Hartman Loop.

Does anybody know where I can get information about optimization strategies for a chiller plant? Thanks in advance.

Something to think about is that there is a LOT of variables in a chiller plant. To truly optimize the whole plant, you must know how all those variables will affect the system. (Things like Chiller efficiency over it's load range, and how this changes with condenser water temperature. The electrical use for the Cooling Tower fans over their range, etc).

Thanks for the replies. The main problem I see is this particular building has 3 300 ton York Screw machines. All of the sequences call for an aggressive condenser water reset but anything below 78 degrees F is no good on these chillers.